Contraception

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  • Contraception
    • Mechanical
      • Male condom
        • barrier that prevents sperm entering vagina
          • Advantages
          • Disadvantage
            • Unreliable
      • female condom
        • barrier that prevents sperm entering vagina
          • Advantages
          • Disadvantage
            • Unreliable
    • Chemical
      • the pill
        • Prevents ovulation - changes hormone levels
          • Implant
            • Long-term - 3 years
            • Very reliable
        • side effects - weight gain, mood swings, risk of clots
        • No protection against STI's
      • Implant
        • Long-term - 3 years
        • Very reliable
    • Surgical
      • Vasectomy
        • male
        • Sperm ducts cut
        • virtually 100% reliable
        • Difficult to reverse
        • No STI protection
      • Female sterilisation
        • oviducts are cut
        • Virtually 100% reliable
        • difficult to reverse
        • No STI protection

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